CN218813232U - Auxiliary mounting, dismounting and fixing device for prestressed box girder tensioning jack - Google Patents

Abstract

The utility model discloses an auxiliary installation and disassembly and fixing device for a prestressed box girder tension jack, which comprises a supporting door frame. The upper end of the supporting door frame is symmetrically fixedly connected with two wheel channel plates, and the upper ends of the wheel channel plates are arranged symmetrically. There are two beams, the upper end of the loading platform is provided with a jack, the outer side of the beam is provided with a suspension ring, and the lower end of the suspension ring is provided with a chain hoist. Through the above structure, the upper end of the supporting mast is symmetrically fixedly connected with two wheel channel plates, the upper end of the wheel channel plate is provided with a plurality of moving wheels, the upper end of the moving wheels is provided with a beam, and one end of the beam is provided with a hand-held electric hoist structure, so that the device can quickly Realize the movement adjustment of two groups of tension jacks up and down, improve the tension efficiency of the prestressed box girder, reduce labor intensity, and save labor. The door frame is equipped with a protective steel plate door to ensure the construction safety of the workers.

Description

A prestressed box girder tension jack auxiliary installation and removal and fixing device

technical field

The utility model relates to the technical field of prestressed tensioning construction of auxiliary box girders, in particular to an auxiliary installation, removal and fixing device of a prestressed box girder tensioning jack.

Background technique

Prestressing technology is widely used in prefabricated box girders, cover girders, T-beams and other components. During the prestressed construction, the movement, installation and disassembly of the jack consume a lot of manpower and time, which has become a major problem restricting the efficiency of the prestressed construction of the box girder.

In the past, the prestressed construction of box girders often used the method of setting up simple temporary supports to move, install and disassemble the jacks. The working process was cumbersome, inefficient, labor-intensive, and there were certain safety hazards.

Utility model content

The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and provide an auxiliary installation and disassembly and fixing device for a prestressed box girder tension jack, which can realize the jack to move up and down, left and right, and is equipped with a protective steel plate to protect the operator construction safety.

In order to achieve the above purpose, a prestressed box girder tensioning jack auxiliary installation and fixing device is provided, which includes supporting portal frames, a loading platform is fixedly connected between the supporting portal frames, and the upper ends of the supporting portal frames are symmetrically fixedly connected There are two wheel channel plates, two beams are arranged symmetrically on the top of the wheel channel plates, a jack is provided on the upper end of the loading platform, a suspension ring is provided on the outside of the beam, and a hand-held electric hoist is provided at the lower end of the suspension ring.

According to the aforementioned prestressed box girder tension jack auxiliary installation and removal and fixing device, an oil pump is fixedly connected to the upper end of the loading platform.

According to the prestressed box girder tensioning jack auxiliary installation and fixing device, two groups of moving wheels are uniformly arranged on the top of the wheel groove plate, and each group is two, and the upper end of the moving wheels is provided with a fixed seat, The upper end of the fixing seat is fixedly connected to the lower end of the beam.

According to the aforementioned prestressed box girder tension jack auxiliary installation and removal and fixing device, the upper end of the suspension ring is provided with a bearing.

According to the aforementioned prestressed box girder tensioning jack auxiliary installation and removal and fixing device, the suspension ring and the electric chain hoist are interlocked with each other.

According to the aforementioned prestressed box girder tension jack auxiliary installation, disassembly and fixing device, the lower end of the electric chain hoist is provided with a suspension chain, and the lower end of the suspension chain is fixedly connected to the upper end of the jack.

According to the aforementioned prestressed box girder tension jack auxiliary installation and removal and fixing device, the back of the supporting door frame is fixedly connected with a protective steel plate door.

Beneficial effect:

1. The upper end of the support mast is symmetrically fixed with two wheel groove plates, and the upper end of the wheel groove plate is provided with a plurality of moving wheels, and the upper end of the moving wheels is equipped with a beam, and one end of the beam is equipped with a hand-held electric hoist structure, so that the device can quickly realize two. The up and down, left and right movement adjustment of the tensioning jack improves the tensioning efficiency of the prestressed box girder, reduces labor intensity and saves labor.

2. During the tensioning process of the box girder, the device relies on the electric hoist to fix the tensioning jack, and at the same time, a protective steel plate door is installed on the rear mast to ensure the construction safety of the workers, which is safe and reliable.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described;

Fig. 1 is the perspective view of a kind of prestressed box girder tension jack auxiliary installation and disassembly, fixing device proposed by the utility model;

Fig. 2 is the plan view of the supporting door frame of a kind of prestressed box girder tension jack auxiliary installation and dismantling and fixing device proposed by the utility model;

Fig. 3 is the structural representation of A place in Fig. 1 that the utility model proposes;

Fig. 4 is a schematic diagram of the structure at B in Fig. 1 proposed by the utility model.

illustration:

1. Support door frame; 2. Loading platform; 3. Protective steel plate door; 4. Oil pump; 5. Jack; 6. Wheel groove plate; 7. Moving wheel; 8. Fixed seat; 9. Beam; 10. Bearing; 11. Rings; 12. Chain hoist; 13. Chains.

Detailed ways

This part will describe the concrete embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the accompanying drawing, and the function of the accompanying drawing is to supplement the description of the text part of the specification with figures, so that people can visually and vividly Each technical feature and overall technical solution of the present utility model should be understood, but they should not be construed as limiting the protection scope of the present utility model.

Referring to Figures 1-4, the utility model embodiment is a prestressed box girder tension jack auxiliary installation and removal and fixing device, which includes a supporting door frame 1, and a loading platform 2 is fixedly connected between the supporting door frames 1. The platform 2 is used to support and fix the oil pump 4, and the upper end of the supporting mast 1 is symmetrically fixedly connected with two wheel groove plates 6, the wheel groove plate 6 enables the moving wheel 7 to move inside, and the upper end of the wheel groove plate 6 is symmetrically provided with two beams 9 , the crossbeam 9 drives the jack 5 to move left and right, the upper end of the loading platform 2 is provided with a jack 5, the jack 5 is a prior art structure, the outside of the crossbeam 9 is provided with a suspension ring 11, the suspension ring 11 is arranged on the outside of the crossbeam 9, and the lower end of the suspension ring 11 is provided with a hand pull Electric hoist 12, pull electric hoist 12 is prior art structure, is used for moving jack 5 in cooperation with suspension chain 13.

An oil pump 4 is fixedly connected to the upper end of the loading platform 2, and the oil pump 4 is a prior art structure, and communicates with the jack 5 through the prior art connection structure, so that the jack 5 can play its role.

The upper end of the wheel groove plate 6 is evenly provided with two groups of moving wheels 7 and each group is two, the upper end of the moving wheels 7 is provided with a fixed seat 8, the fixed seat 8 is fixed on the lower end of the moving wheel 7, and the upper end of the fixed seat 8 is fixedly connected to the lower end of the beam 9 .

The upper end of the suspension ring 11 is provided with a bearing 10, and the bearing 10 enables the suspension ring 11 to move freely inside it.

The suspension ring 11 and the chain hoist 12 are engaged with each other.

The lower end of the chain hoist 12 is provided with a suspension chain 13, one end of the suspension chain 13 moves with the jack 5, and the lower end of the suspension chain 13 is fixedly connected to the upper end of the jack 5.

The back side of the support door frame 1 is fixedly connected with a protective steel plate door 3, and the protective steel plate door 3 is used to ensure the construction safety of operators, which is safe and reliable.

Working principle: Install the device and turn on the power. Most of the parts on the device are mainly made of channel steel and angle steel. The beam 9 moves, and the electric hoist 12 at the lower end of the beam 9 drives the jack 5 to move up and down, so that the device can quickly realize the movement adjustment of the two sets of tension jacks 5 up, down, left, and right, which improves the tensioning efficiency of the prestressed box girder and reduces labor intensity , saving labor, the device relies on the hand-held electric hoist 12 to fix the tensioning jack 5 during the tensioning process of the box girder, and at the same time, a protective steel plate door 3 is installed behind the supporting door frame 1 to ensure the construction safety of the workers, which is safe and reliable. The device assists in the installation, disassembly and displacement of the jack during the tensioning construction of the box girder. It is easy to operate, safe and reliable, effectively reduces the labor intensity of the operators, greatly improves the work efficiency, shortens the process time, and achieves good application results.

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Make various changes below.

Claims (7)

1. The utility model provides a supplementary ann of prestressing force box girder tensioning jack is torn open, fixing device, includes support portal (1), its characterized in that: the portable electric hand-pulling device is characterized in that an object carrying platform (2) is fixedly connected between the supporting portal frames (1), two wheel groove plates (6) are symmetrically and fixedly connected to the upper ends of the supporting portal frames (1), two cross beams (9) are symmetrically arranged at the upper ends of the wheel groove plates (6), a jack (5) is arranged at the upper end of the object carrying platform (2), a hanging ring (11) is arranged on the outer side of each cross beam (9), and a hand-pulling electric hoist (12) is arranged at the lower end of each hanging ring (11).

2. The auxiliary mounting, dismounting and fixing device of a prestressed box girder tensioning jack according to claim 1, wherein an oil pump (4) is fixedly connected to the upper end of the loading platform (2).

3. The auxiliary mounting, dismounting and fixing device for the prestressed box girder tensioning jack according to claim 1, wherein two sets of moving wheels (7) are uniformly arranged at the upper end of the wheel groove plate (6), and each set is two, the upper end of each moving wheel (7) is provided with a fixed seat (8), and the upper end of each fixed seat (8) is fixedly connected to the lower end of the cross beam (9).

4. The auxiliary mounting, dismounting and fixing device for the prestressed box girder tensioning jack according to claim 1, wherein a bearing (10) is arranged at the upper end of the lifting ring (11).

5. The auxiliary mounting, dismounting and fixing device of the prestressed box girder tensioning jack according to claim 1, wherein the hanging ring (11) and the electric chain block (12) are mutually buckled.

6. The auxiliary mounting, dismounting and fixing device for the prestressed box girder tensioning jack according to claim 1, wherein a hoist chain (13) is arranged at the lower end of the hand-pulled hoist (12), and the lower end of the hoist chain (13) is fixedly connected to the upper end of the jack (5).

7. The auxiliary mounting, dismounting and fixing device for the prestressed box girder tensioning jack according to claim 1, characterized in that a protective steel plate door (3) is fixedly connected to the back of the support portal (1).

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